Broadband, ultra wideband and ultra narrowband (UWN) reconfigurable, interoperable communication and broadcasting system architectures, combinations and hybrids of ultra wideband (UWB), ultra narrowband (UNB) and efficient broadband wireless, baseband, intermediate frequency (IF) and radio frequency...http://www.google.com/patents/US20060072646?utm_source=gb-gplus-sharePatent US20060072646 - Broadband, ultra wideband and ultra narrowband reconfigurable interoperable systems
